38419940

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{147769}}^1$

素因数の和:147791

約数の個数: 24

約数和(自身を含む): 86888760

約数和(自身を除く): 48468820

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 147769, 295538, 591076, 738845, 1477690, 1920997, 2955380, 3841994, 7683988, 9604985, 19209970, 38419940]

約数ペア:

[(1, 38419940), (2, 19209970), (4, 9604985), (5, 7683988), (10, 3841994), (13, 2955380), (20, 1920997), (26, 1477690), (52, 738845), (65, 591076), (130, 295538), (260, 147769)]